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APEX #119-114 FNS Action Enhancement Kit


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APEX #119-114 FNS Action Enhancement Kit

Apex originated the drop-in trigger kit for the FNS. The patent-pending design of the Action Enhancement Trigger Kit for the FNS makes a huge difference in the trigger pull characteristics and immediately became a must-have for FNS owners. When installed, this kit will:

  • Reduce trigger pull weight to approx. 5.5 lbs.
  • Reduce trigger pre-travel, over-travel and reset distance
  • Deliver a crisp trigger break
  • Maintain factory safety values with a center mounted pivoting safety
  • Direct drop-in replacement, no fitting required


*For use in the following FN model pistols: FNS and FNS Longslide, including those manufactured prior to 2014.

*NOT for use in FN 509 or FNS Compact models. Not for use in the FN 503

Additional information


FN Herstal / FN-USA


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